613560223122 has 128 divisors (see below), whose sum is σ = 1585830445056. Its totient is φ = 153584640000.

The previous prime is 613560223069. The next prime is 613560223123. The reversal of 613560223122 is 221322065316.

It is a happy number.

It is a super-2 number, since 2×613560223122² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (613560223123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3362722 + ... + 3540482.

It is an arithmetic number, because the mean of its divisors is an integer number (12389300352).

Almost surely, 2^613560223122 is an apocalyptic number.

613560223122 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 613560223122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792915222528).

613560223122 is an abundant number, since it is smaller than the sum of its proper divisors (972270221934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613560223122 is a wasteful number, since it uses less digits than its factorization.

613560223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178056.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 613560223122 its reverse (221322065316), we get a palindrome (834882288438).

The spelling of 613560223122 in words is "six hundred thirteen billion, five hundred sixty million, two hundred twenty-three thousand, one hundred twenty-two".